Mutual support groups whose members are people who have experienced a loss, such as the death of a loved one, divorce or separation. The groups meet in-person, by telephone or via the Internet; are open to anyone who has had a loss rather than structured for people with particular types of losses; and focus on helping participants accept their loss, express their grief, move through the bereavement process and put their lives back together.

Mutual support groups whose members are people who have a disability, illness or other health condition, their families and friends. The groups meet in-person, by telephone or via the Internet; and provide an opportunity for participants to share information, resources, practical tips for daily living and encouragement about issues related to the disability or health problem.

Individuals who are age 50, 55, 60, 62 or 65 or older depending on the minimum age for qualifying as an older adult which varies by program.

Family members, friends, neighbors and others who assume responsibility for attending to the daily needs of individuals who are temporarily or permanently unable to care for themselves due to general frailty; illnesses, injuries or progressively debilitating conditions such as Alzheimer's disease or mental illness; or other incapacitating problems without compensation. Some, but not all, states have programs that help people pay for the caregiver of their choice, and in certain circumstances that can be a family member. Most of these programs have income and other eligibility requirements that the care recipient must meet, and strict rules often apply as to who can be paid for the caregiving. Benefits may also be available for veterans and their families through the Veteran's Administration.

An age-related, non-reversible brain disorder that develops over a period of years. Initially, people experience memory loss and confusion, which may be mistaken for the kinds of memory changes that are sometimes associated with normal aging. The symptoms gradually lead to behavior and personality changes, a decline in cognitive abilities such as decision-making and language skills and problems recognizing family and friends; and ultimately to a severe loss of mental function. Alzheimer's disease is one of a group of disorders called dementias that are characterized by cognitive and behavioral problems. It is the most common cause of dementia among people age 65 and older.

Individuals who have experienced a loss, such as the death of a loved one or pet, divorce or separation, estrangement from a family member or any other kind of significant loss whose own patterns of personal, social and familial coping have been significantly affected as a result.

The parents, children, spouses, partners, friends or other relatives or significant others of people who have Alzheimer's disease or a related dementia, whose own patterns of personal, social and familial coping have been significantly affected by concern about the individual.